NEC Neax 2000 IVS2 Manual page 181

CHAPTER 4 CIRCUIT CARD INFORMATION
PN-24PRTA (PRT)
SWITCH NAME
MB (Toggle SW)
ON
NOTE 2
SW0
(Piano Key SW)
OFF
8
7
6
5
4
3
2
1
ON
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SWITCH SETTING
NUMBER POSITION
UP
DOWN
ON
1
NOTE 3
NOTE 4
OFF
ON
2
NOTE 3
NOTE 4
OFF
ON
3
OFF
ON
4
OFF
ON
5
OFF
ON
6
OFF
ON
7
OFF
8
OFF
FUNCTION
For make-busy
For normal operation
Source clock signal from network is
sent to the PLO0 input on MP card.
Source clock signal from network is
not sent to the PLO0 input on MP
card.
Source clock signal from network is
sent to the PLO1 input on MP card.
Source clock signal from network is
not sent to the PLO1 input on MP
card.
Remote loop-back
For normal operation
Local loop-back (AIS send)
For normal operation
Set equalizer according to the cable
length between the PBX and the
MDF.
SW0-5 SW0-6 SW0-7 CABLE LENGTH
ON ON ON
0-40 m (0-131.2 ft.)
ON ON OFF 40-80 m (131.2-262.5 ft.)
ON OFF ON 80-120 m (262.5-394 ft.)
ON OFF OFF 120-160 m (394-525 ft.)
OFF ON ON 160-200 m (525-656 ft.)
OFF OFF OFF Signal is not sent
Not used
CHECK
(Continued)
2
NEAX2000 IVS ISDN System Manual
ND-70919 (E), Issue 1.0